Rebar Cut Sheet.pdf
PDF 538 KB Posted
- Attached to
- Precast Concrete Moment Frame Assemblies for Structural Testing at the NFRL Federal contract opportunity
- Solicitation number
- AMDTCRQ2601207
About this file
This document is a technical drawing specification for reinforcing bar (rebar) quantities and bend diagrams for full-scale flexure specimens prepared by the National Institute of Standards and Technology (NIST).
The specification details three sets of rebar requirements: (1) Threaded Rod Connection configuration with 23 bar types ranging from No. 4 to No. 10 sizes, including stirrups, cross ties, pin hangers, longitudinal bars, angle anchors, skin steel, u-bars, and diagonal stirrups, with quantities varying from 4 to 52 units and dimensions ranging from 12.5 inches to 187.0 inches; (2) Bar Coupler Connection configuration with similar bar types and comparable quantities and dimensions; and (3) Test Bar materials consisting of No. 4, No. 5, No. 6, and No. 10 bars with three samples each at 48.0 inches in length, required to be delivered to NIST with the same heat number as specimen bars. All bars conform to ASTM A706 Grade 60 unless otherwise noted. The document includes detailed rebar bend diagrams showing six shape classifications (L1, L2, L3, U1, U2, S1, S2, S3, and H1) with specific bend radii, lap lengths, and extension requirements clearly dimensioned for fabrication reference. Revision R2, dated February 25, 2026, was prepared by Jonathan Weigand and Malcolm Ammons of NIST.
View the file
Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| Full-Scale Flexure Specimens Preliminary Design Drawings.pdf | ||
| Statement of Work.pdf | ||
| DRAFT Bill of Materials.xlsx | XLSX spreadsheet | |
| SF1449.pdf | ||
| RFQ attachment - FAR provisions.pdf |
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Text version
VER DESCRIPTION DATE
REVISIONS
Notes:
National Institute of Standards and Technology
Assembly:
Title:
File Name:
Drawn By:
Designed By:
Checked By:
Contacts: Drawing:
Rebar Quantities - Page 1
R2
BAR ID DESCRIPTION SIZE QTYSHAPE "A" DIM "B" DIM NOTES
B1 stirrups No. 4 52S1 9.0 in 59.0 in 90 deg bend with 12db ext.
B2 end cross ties No. 4 36S3 9.0 in - 90 deg bend / 135 deg bend B3 pin hanger No. 10 8H1 B4L longitudinal bar - long No. 10 8L2 187.0 in - B4S longitudinal bar - short No. 10 8L2 185.0 in - BC2 angle anchor bar No. 6 8L1 30.0 in - BC4 skin steel No. 4 8L1 182.0 in - BC5 pin end u-bar No. 5 8U1
C1L inner stirrup - long No. 5 15S2 12.5 in 37.0 in C2 ledge stirrup No. 5 37S2 19.0 in 25.0 in C3L outer stirrup - long No. 5 22S2 25.0 in 37.0 in
GRADE*PART
BEAM
BEAM
COLUMN
COLUMN
COLUMN
BEAM
BEAM
BEAM
BEAM
BEAM
BEAM
Table 1: Reinforcing Bar Quantities - Threaded Rod Connection
*All bars are ASTM A706 Gr. 60 unless otherwise noted bars further from beam centerline bars closer to beam centerline
02/25/2026
Jonathan Weigand ( jonathan.weigand@nist.gov )
Full-scale Flexure Specimens Full-scale_Flexure_Specimens.dwg
SR
SR
Malcolm Ammons ( malcolm.ammons@nist.gov )
1.0
CC1 continuous longitudinal bar No. 10 16L1 177.0 in - CC2 discontinuous longitudinal bar-top No. 10 4L1 71.0 in -
COLUMN
COLUMN
CC3 discontinuous longitudinal bar-bottom No. 10 4L1 41.0 in -COLUMN
C4 cross tie -long No. 5 22S3 37.0 inCOLUMN C5 No. 5 8U2 COLUMN
BC7 diagonal stirrup-Threaded Rod Conn. No. 5 8S3 54.0 in -BEAM u-bar around torsion rod
BC6 u-bar around torsion rod No. 5 8U2 BEAM 20.0 in 3.75 in
20.0 in 3.75 in
40.0 in 7.75 in
60.0 in 44.75 in
VER DESCRIPTION DATE
REVISIONS
Notes:
National Institute of Standards and Technology
Assembly:
Title:
File Name:
Drawn By:
Designed By:
Checked By:
Contacts: Drawing:
Rebar Quantities - Page 2
R3
*All bars are ASTM A706 Gr. 60 unless otherwise noted
02/25/2026
Jonathan Weigand ( jonathan.weigand@nist.gov )
Full-scale Flexure Specimens Full-scale_Flexure_Specimens.dwg
SR
SR
Malcolm Ammons ( malcolm.ammons@nist.gov )
1.0
BAR ID DESCRIPTION SIZE QTYSHAPE "A" DIM "B" DIM NOTES
B1 stirrups No. 4 54S1 90 deg bend with 12db ext.
B2 end cross ties No. 4 36S3 9.0 in - 90 deg bend / 135 deg bend B3 pin hanger No. 10 8H1 60.0 in 44.75 in
BC4 skin steel No. 4 8L1 182.0 in - BC5 pin end u-bar No. 5 8U1 40.0 in 7.75 in
GRADE*PART
BEAM
BEAM
BEAM
BEAM
BEAM
Table 2: Reinforcing Bar Quantities - Bar Coupler Connection
B5L headed longitudinal bar - long No. 10 8L3 187.0 in - B5S headed longitudinal bar - short No. 10 8L3 185.0 in -
BEAM
BEAM
bars further from beam centerline bars closer to beam centerline
9.0 in 59.0 in
BC2 angle anchor bar No. 6 8L1 30.0 in -BEAM
BC6 u-bar around torsion rod No. 5 8U2 BEAM 20.0 in 3.75 in C1L inner stirrup - long No. 5 15S2 12.5 in 37.0 in C2 ledge stirrup No. 5 37S2 19.0 in 25.0 in C3L outer stirrup - long No. 5 22S2 25.0 in 37.0 in
COLUMN
COLUMN
COLUMN
CC1 continuous longitudinal bar No. 10 16L1 177.0 - CC2 discontinuous longitudinal bar-top No. 10 4L1 71.0 -
COLUMN
COLUMN
CC3 discontinuous longitudinal bar-bottom No. 10 4L1 41.0 -COLUMN
C4 cross tie -long No. 5 22S3 37.0 inCOLUMN C6 No. 5 8U2 COLUMN u-bar around torsion rod 20.0 in 3.75 in
BAR ID DESCRIPTION SIZE QTYSHAPE "A" DIM "B" DIM NOTES
T1 Material test bar No. 4 3L1 same heat # as specimen bars
GRADE*PART
TEST
Table 3: Reinforcing Bar Quantities - Test Bar
48.0 in
NOTES: Deliver the Test bar materials to NIST
T2 Material test bar No. 5 3L1 same heat # as specimen barsTEST 48.0 in - T3 Material test bar No. 6 3L1 same heat # as specimen barsTEST 48.0 in - T4 Material test bar No. 10 3L1 same heat # as specimen barsTEST 48.0 in -
Notes:
National Institute of Standards and Technology
Assembly:
Title:
File Name:
Drawn By:
Designed By:
Checked By:
Contacts: Drawing:
L1
VER DESCRIPTION DATE
REVISIONS
B
A
≥6 d b
A
A
A ≥1
2d b
≥1 2d b
B
A
12db d b
B
A
A
≥6db or 3 in
≥6db or 3 in
A
B
L2
L3
U1
S1 S2 S3
H1
6db
6db
4db TYP
4db TYP
4db TYP
4db TYP
6db
6db
≥6db or 3 in
U2
A
B
45°
135° bend
Rebar head (Conforming to
ACI 318-19 § 20.2.1.6)
Rebar Bend Diagrams
R4
02/25/2026
Jonathan Weigand ( jonathan.weigand@nist.gov )
Full-scale Flexure Specimens Full-scale_Flexure_Specimens.dwg
SR
SR
Malcolm Ammons ( malcolm.ammons@nist.gov )
1.0
| Prototype_Flexure_Specimens_v1-27-Rebar quantities -page 1 |
| Sheets and Views |
| Rebar quantities -page 1 |
| Prototype_Flexure_Specimens_v1-27-Rebar quantities -page 2-2 |
| Sheets and Views |
| Rebar quantities -page 2-2 |
| Prototype_Flexure_Specimens_v1-27-Rebar dimensions |
| Sheets and Views |
| Rebar dimensions |
File details come from the government source that posted it. Updated .